Refactor the way the JS stack are created for native function

The original JavaScriptCore doesn't create stack frame or scope for
native function.
JSC has been patched to support that.
This commit revert our patches to JSC, and implement create the stack
frame from QScript

Reviewed-by: Kent Hansen

1 files changed, 1 insertions, 26 deletions

diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/CallData.cpp b/src/3rdparty/webkit/JavaScriptCore/runtime/CallData.cpp
index b33c8ba..c89ebf8 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/CallData.cpp
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/CallData.cpp
@@ -25,10 +25,6 @@
 
 #include "config.h"
 #include "CallData.h"
-#ifdef QT_BUILD_SCRIPT_LIB
-#include "ExceptionHelpers.h"
-#include "Interpreter.h"
-#endif
 
 #include "JSFunction.h"
 #include "JSGlobalObject.h"
@@ -59,29 +55,8 @@ JSValue JSC::NativeFuncWrapper::operator() (ExecState* exec, JSObject* jsobj, JS
 
 JSValue call(ExecState* exec, JSValue functionObject, CallType callType, const CallData& callData, JSValue thisValue, const ArgList& args)
 {
-    if (callType == CallTypeHost) {
-#ifdef QT_BUILD_SCRIPT_LIB
-        ScopeChainNode* scopeChain = exec->scopeChain();
-        Interpreter *interp = exec->interpreter();
-        Register *oldEnd = interp->registerFile().end();
-        int argc = 1 + args.size(); // implicit "this" parameter
-        if (!interp->registerFile().grow(oldEnd + argc + RegisterFile::CallFrameHeaderSize))
-            return createStackOverflowError(exec);
-        CallFrame* newCallFrame = CallFrame::create(oldEnd);
-        newCallFrame[0] = thisValue;
-        size_t dst = 0;
-        ArgList::const_iterator it;
-        for (it = args.begin(); it != args.end(); ++it)
-            newCallFrame[++dst] = *it;
-        newCallFrame += argc + RegisterFile::CallFrameHeaderSize;
-        newCallFrame->init(0, /*vPC=*/0, scopeChain, exec, 0, argc, asObject(functionObject));
-        JSValue result = callData.native.function(newCallFrame, asObject(functionObject), thisValue, args);
-        interp->registerFile().shrink(oldEnd);
-        return result;
-#else
+    if (callType == CallTypeHost)
         return callData.native.function(exec, asObject(functionObject), thisValue, args);
-#endif
-    }
     ASSERT(callType == CallTypeJS);
     // FIXME: Can this be done more efficiently using the callData?
     return asFunction(functionObject)->call(exec, thisValue, args);